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Thermal Insulation Boards

Thermoset composite materials offer excellent dimensional stability at elevated temperatures. Composite materials are used in a wide range of thermal applications ranging from electrical insulation in high temperature environments at metals processing facilities to thermal insulation used to control mold temperature in thermosplastic and rubber injection molding machines.

Material NameCompositionTemperature Limit
Glass Polyester, Grade N220 Random Glass Mat Polyester 220 C
Glass Epoxy, NEMA G-11 Glass Cloth Epoxy 155 C - 180 C
Glass Silicone, NEMA G-7 Glass Cloth Silicone 250 C
Transite HT Cement Fiberboard 350 C
Glastherm HT Random Glass Mat Polyester 250 C
Thermalate H330 Random Glass Mat Polyester

250 C

NAD-11 Cement Fiberboard 500 C
Transite 1000 Cement Fiberboard 538 C
Silicone Bonded Mica Paper Silicone Bonded Mica Paper 500 C


TGC offers a complete line of materials and products for rubber and plastic injection and compression molding equipment. Order our Mold Platen Insulation Handbook today.

TGC also offers a complete line of materials and products for electric heating applications that require high temperature electrical insulation materials. Order additional information today.

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